Sequence of molecular events involved in induction of allophanate hydrolase.

abstract：:Envelope fractions isolated from Escherichia coli K-12 C600 and from colicin-resistant and colicin-tolerant (Tol II) mutants derived from this strain were separated on sucrose gradients into cell wall-enriched and cytoplasmic membrane-enriched fractions. These fractions were tested for their ability to neutralize coli...

journal_title：Journal of bacteriology

authors： Sabet SF,Schnaitman CA

更新日期：1971-10-01 00:00:00

abstract：UNLABELLED:Bacteriophage λ N protein binds boxB RNA hairpins in the nut (N utilization) sites of immediate early λ transcripts and interacts with host factors to suppress transcriptional termination at downstream terminators. In opposition to λ N, the Nun protein of HK022 binds the boxBs of coinfecting λ transcripts, i...

journal_title：Journal of bacteriology

authors： Tawk CS,Ghattas IR,Smith CA

更新日期：2015-11-01 00:00:00

abstract：:A mutant sensitive to colicin M at 30 degrees C and tolerant at 42 degrees C to high concentrations of colicin M was isolated from Escherichia coli K-12. A temperature shift from 30 to 42 degrees C rescued all cells up to the time they started to lyse at 30 degrees C (25 min after addition of colicin M). The growth ra...

journal_title：Journal of bacteriology

authors： Schaller K,Krauel A,Braun V

更新日期：1981-07-01 00:00:00

abstract：:Using an oligonucleotide microarray, we searched for previously unrecognized transcription units in intergenic regions in the genome of Bacillus subtilis, with an emphasis on identifying small genes activated during spore formation. Nineteen transcription units were identified, 11 of which were shown to depend on one ...

journal_title：Journal of bacteriology

authors： Schmalisch M,Maiques E,Nikolov L,Camp AH,Chevreux B,Muffler A,Rodriguez S,Perkins J,Losick R

更新日期：2010-10-01 00:00:00

abstract：:Besides producing thymine-requiring mutants (thy), trimethoprim (TMP) cured the mini-ColE1 replicon pML21 at an appreciable frequency. The cured Escherichia coli K-12 cells behaved like polA mutants by failing to support the stable maintenance of the ColE1 plasmid. The mini-F replicon pSC138, which was lacking all thr...

journal_title：Journal of bacteriology

authors： Mukhopadhyay P,Palchaudhuri S

更新日期：1982-05-01 00:00:00

abstract：:Filter matings between E. coli K-12 strains carrying an F'::Tn5,Tn9 factor with H. influenzae Rd strains gave rise to kanamycin-chloramphenicol-resistant H. influenzae strains at a frequency of approximately 10(-6). Transfer of the F' factor to H. influenzae was verified by expression of unselected markers in H. influ...

journal_title：Journal of bacteriology

authors： Deich RA,Green BA

更新日期：1987-05-01 00:00:00

abstract：:ibeA is a virulence factor found in some extraintestinal pathogenic Escherichia coli (ExPEC) strains from the B2 phylogenetic group and particularly in newborn meningitic and avian pathogenic strains. It was shown to be involved in the invasion process of the newborn meningitic strain RS218. In a previous work, we sho...

journal_title：Journal of bacteriology

authors： Fléchard M,Cortes MA,Répérant M,Germon P

更新日期：2012-09-01 00:00:00

abstract：:The gamma-proteobacterium Francisella tularensis is one of the most infectious human pathogens, and the highly virulent organism F. tularensis subsp. tularensis (type A) and less virulent organism F. tularensis subsp. holarctica (type B) are most commonly associated with significant disease in humans and animals. Here...

journal_title：Journal of bacteriology

authors： Petrosino JF,Xiang Q,Karpathy SE,Jiang H,Yerrapragada S,Liu Y,Gioia J,Hemphill L,Gonzalez A,Raghavan TM,Uzman A,Fox GE,Highlander S,Reichard M,Morton RJ,Clinkenbeard KD,Weinstock GM

更新日期：2006-10-01 00:00:00

abstract：:Defects in DNA mismatch repair (MMR) occur frequently in natural populations of pathogenic and commensal bacteria, resulting in a mutator phenotype. We identified a unique genetic element in Streptococcus pyogenes strain SF370 that controls MMR via a dynamic process of prophage excision and reintegration in response t...

journal_title：Journal of bacteriology

authors： Scott J,Thompson-Mayberry P,Lahmamsi S,King CJ,McShan WM

更新日期：2008-10-01 00:00:00

abstract：:Vibrio cholerae uses a variety of strategies for obtaining iron in its diverse environments. In this study we report the identification of a novel iron utilization protein in V. cholerae, VciB. The vciB gene and its linked gene, vciA, were isolated in a screen for V. cholerae genes that permitted growth of an Escheric...

journal_title：Journal of bacteriology

authors： Mey AR,Wyckoff EE,Hoover LA,Fisher CR,Payne SM

更新日期：2008-09-01 00:00:00

abstract：:In recent work, we described the excision of a large genomic region from Enterococcus faecium D344R in which the sequence from "joint" regions suggested that excision resulted from the interaction of conjugative transposon Tn916 and the related mobile element Tn5386. In the present study, we examined the ability of in...

journal_title：Journal of bacteriology

authors： Rice LB,Carias LL,Hutton-Thomas R,Rudin S

更新日期：2007-05-01 00:00:00

abstract：:Functional domains in the RepI replication initiator protein have been identified by classical and site-directed mutagenesis techniques. Mutations conferring an increase in plasmid copy number contained alterations in a key position of a putative helix-turn-helix DNA binding motif. The mutations did not appear to affe...

journal_title：Journal of bacteriology

authors： Gammie AE,Tolmasky ME,Crosa JH

更新日期：1993-06-01 00:00:00

abstract：:Erwinia chrysanthemi 3937 secretes several pectinolytic enzymes, among which eight isoenzymes of pectate lyases with an endo-cleaving mode (PelA, PelB, PelC, PelD, PelE, PelI, PelL, and PelZ) have been identified. Two exo-cleaving enzymes, the exopolygalacturonate lyase, PelX, and an exo-poly-alpha-D-galacturonosidase...

journal_title：Journal of bacteriology

authors： Shevchik VE,Kester HC,Benen JA,Visser J,Robert-Baudouy J,Hugouvieux-Cotte-Pattat N

更新日期：1999-03-01 00:00:00

abstract：:A Butyrivibrio fibrisolvens H17c glgB gene, was isolated by direct selection for colonies that produced clearing on starch azure plates. The gene was expressed in Escherichia coli from its own promoter. The glgB gene consisted of an open reading frame of 1,920 bp encoding a protein of 639 amino acids (calculated Mr, 7...

journal_title：Journal of bacteriology

authors： Rumbak E,Rawlings DE,Lindsey GG,Woods DR

更新日期：1991-11-01 00:00:00

abstract：:Glucose kinase is required for glucose repression of several catabolite-controlled genes in Streptomyces coelicolor and certainly plays an important role in glucose repression in these organisms. We report here that glucose kinase null mutants of S. coelicolor retain transcriptional regulation of the chitinase 63 gene...

journal_title：Journal of bacteriology

authors： Ingram C,Westpheling J

更新日期：1995-06-01 00:00:00

abstract：:The cell surfaces of several Lactobacillus species are covered by a regular layer composed of a single species of protein, the S-protein. The 43-kDa S-protein of the neotype strain Lactobacillus acidophilus ATCC 4356, which originated from the pharynx of a human, was purified. Antibodies generated against purified S-p...

journal_title：Journal of bacteriology

authors： Boot HJ,Kolen CP,van Noort JM,Pouwels PH

更新日期：1993-10-01 00:00:00

abstract：:A polysaccharide-rich particulate fraction was isolated from cytoplasmic extracts of Candida albicans by a procedure using differential centrifugation. The polysaccharide particles obtained after purification with deoxycholate treatment were essentially free of nitrogen and were identified chemically as polyglucosan, ...

journal_title：Journal of bacteriology

authors： Yamaguchi H,Kanda Y,Iwata K

更新日期：1974-10-01 00:00:00

abstract：:We have isolated three strains of Klebsiella aerogenes that failed to show repression of glutamine synthetase even when grown under the most repressing conditions for the wild-type strain. These mutant strains were selected as glutamine-independent derivatives of a strain that is merodiploid for the glnA region and co...

journal_title：Journal of bacteriology

authors： Rothstein DM,Magasanik B

更新日期：1980-02-01 00:00:00

abstract：:Heat, salinity, or osmotic stress influenced protein synthesis in nitrogen-fixing Anabaena sp. strain L-31. Salinity and osmotic stresses were identical and specifically induced 15 polypeptides. Four polypeptides were unique to heat shock, and four other polypeptides were induced under every stress. The results demons...

journal_title：Journal of bacteriology

authors： Bhagwat AA,Apte SK

更新日期：1989-09-01 00:00:00

abstract：:We isolated an unusual mutant in which the arabinose operon carried an araC lesion that led to a dominant fucose resistance while retaining recessive constitutivity. All previously characterized C(c) mutations have been recessive for both fucose resistance and constitutivity. ...

journal_title：Journal of bacteriology

authors： Nathanson NM,Schleif R

更新日期：1973-08-01 00:00:00

abstract：:The major cotransduction gap of the Escherichia coli chromosome extends from mini 31 to 34. We have inserted transposons through this gap which, by sequential transduction, link sbcA (min 29.8) with manA (min 35.7) and thus eliminate the gap. These results indicate that the length of DNA in the region, as measured by ...

journal_title：Journal of bacteriology

authors： Fouts KE,Barbour SD

更新日期：1982-01-01 00:00:00

abstract：:Protein and ribonucleic acid (RNA) syntheses were measured in both lethally injured and thermally damaged viable cells after heating at lethal temperatures. Immediately after heating, cells were incubated in growth media containing either [14C]leucine or [3H]uracil. The labeled cells were subsequently treated with pen...

journal_title：Journal of bacteriology

authors： Dean RG,McGroarty EJ

更新日期：1979-05-01 00:00:00

abstract：:Congo red binding by virulent A-layer-containing (A+) and avirulent A-layer-deficient (A-) strains of Aeromonas salmonicida was examined. Congo red binding to A+ cells was enhanced by salt and thus hydrophobically driven, but at low Congo red concentrations binding was salt independent. Congo red was bound by A+ cells...

journal_title：Journal of bacteriology

authors： Kay WW,Phipps BM,Ishiguro EE,Trust TJ

更新日期：1985-12-01 00:00:00

abstract：:Components of membranes isolated from Spiroplasma citri and corn stunt spiroplasma grown at 28 degrees C were analyzed. On a protein basis, lipid phosphorus was lower and cholesterol was higher in S. citri. Only minor differences between the two species were found in fatty acid composition, reduced nicotinamide adenin...

journal_title：Journal of bacteriology

authors： Mudd JB,Lee IM,Liu HY,Calavan EC

更新日期：1979-02-01 00:00:00

abstract：UNLABELLED:The σE envelope stress response is an essential signal transduction pathway which detects and removes mistargeted outer membrane (OM) β-barrel proteins (OMPs) in the periplasm of Escherichia coli It relies on σE, an alternative sigma factor encoded by the rpoE gene. Here we report a novel mutation, a nucleot...

journal_title：Journal of bacteriology

authors： Konovalova A,Schwalm JA,Silhavy TJ

更新日期：2016-08-11 00:00:00

abstract：:Dehalococcoides species are key players in the anaerobic transformation of halogenated solvents at contaminated sites. Here, we analyze isotopologue distributions in amino acid pools from peptides of Dehalococcoides strain CBDB1 after incubation with (13)C-labeled acetate or bicarbonate as a carbon source. The resulti...

journal_title：Journal of bacteriology

authors： Marco-Urrea E,Seifert J,von Bergen M,Adrian L

更新日期：2012-08-01 00:00:00

abstract：:A class II restriction endonuclease which recognizes the same nucleotide sequence as EndoR.HaeIII has been found in four of seven isolates of Neisseria gonorrhoeae tested. ...

journal_title：Journal of bacteriology

authors： Clanton DJ,Woodward JM,Miller RV

更新日期：1978-07-01 00:00:00

abstract：:Flac mutants have been isolated in Escherichia coli K-12 which carry dominant mutations resulting in insensitivity to transfer inhibition by the Fin(+) I-like plasmid R62. These mutants were still sensitive to transfer inhibition by the fin(+) F-like plasmid R100 and, conversely, FlactraO(-) and traP(-) mutants, which...

journal_title：Journal of bacteriology

authors： Willetts NS,Paranchych W

更新日期：1974-10-01 00:00:00

abstract：:The fis operon from Salmonella typhimurium has been cloned and sequenced, and the properties of Fis-deficient and Fis-constitutive strains were examined. The overall fis operon organization in S. typhimurium is the same as that in Escherichia coli, with the deduced Fis amino acid sequences being identical between both...

journal_title：Journal of bacteriology

authors： Osuna R,Lienau D,Hughes KT,Johnson RC

更新日期：1995-04-01 00:00:00

abstract：:The Tol-Pal system of Escherichia coli is involved in maintaining outer membrane stability. Mutations in tolQ, tolR, tolA, tolB, or pal genes result in sensitivity to bile salts and the leakage of periplasmic proteins. Moreover, some of the tol genes are necessary for the entry of group A colicins and the DNA of filam...

journal_title：Journal of bacteriology

authors： Ray MC,Germon P,Vianney A,Portalier R,Lazzaroni JC

更新日期：2000-02-01 00:00:00